| Compound | Description |
|---|
| phosphoric acid | concise etchant is 37% H3PO4 |
| guanosine diphosphate | A guanine nucleotide containing two phosphate groups esterified to the sugar moiety. |
| guanosine diphosphate mannose | A nucleoside diphosphate sugar which can be converted to the deoxy sugar GDPfucose, which provides fucose for lipopolysaccharides of bacterial cell walls. Also acts as mannose donor for glycolipid synthesis. |
| Mannose | A hexose or fermentable monosaccharide and isomer of glucose from manna, the ash Fraxinus ornus and related plants. (From Grant & Hackh's Chemical Dictionary, 5th ed & Random House Unabridged Dictionary, 2d ed) |